Thursday, November 08, 2007

GSMK CryptoPhone - source code available and AES256 encryption on a mobile phone

The GSMK CryptoPhone G10i is a lightweight quad-band GSM mobile phone that comes with full source code available for independent review.

  • Secures your voice's privacy
  • Strongest and most secure algorithms available today
  • AES256 and Twofish
  • 4096 bit Diffie-Hellman key exchange with SHA256 hash function
  • Readout-hash based key authentication
  • 256 bit effective key length
  • Encryption key is destroyed as soon as the call ends
  • Source code available online for independent security assessments
  • Also supports unencrypted calls, unencrypted SMS, address book, calendar etc.
  • Works with any GSM 850/900/1800/1900 network that supports circuit-switched data calls
  • Standby: up to 150 hours
  • Talk time: Secure up to 5 hours

Download the complete GSMK CryptoPhone source code in order to perform an independent security assessment

The phone is pretty expensive (around 2000$) and will NOT be sold off the shelf to prevent tampering. Due to the cryptographic algorithms, it may also not be available in some countries.